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Finding the Fourth Proportional to 330,964.80, 496,278.72 and 162,497.76

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Solution

The fourth proportional to 330,964.80, 496,278.72 and 162,497.76 is: 243,663.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,964.80 : 496,278.72 = 162,497.76 : x
  2. Step 2: Convert to fraction form
    330,964.80/496,278.72 = 162,497.76/x
  3. Step 3: Cross multiply
    330,964.80x = 496,278.72 × 162,497.76
  4. Step 4: Simplify right side
    330,964.80x = 80,644,180,335.67
  5. Step 5: Solve for x
    x = 80,644,180,335.67/330,964.80
  6. Step 6: Final answer
    x = 243,663.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.